I've developed a Web Application (web site) using VS 2010 and VB.NET. I'm able to run the application successfully from VS. But when I Publish and upload it on my hosting server this error message occurs.

Retrieving the COM class factory for component with CLSID {7F017F97-9257-11D5-87EA-00B0D0BE6479} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

Thanks for you answer. using your method I would be able to test the feedback from the server which I've been already able to do. The problem is when I upload my application on the web server (hosting server) it gives me that error message.
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DanialzoNov 21 '12 at 13:36